Alert archive / Virginia / Wind Advisories in 2012
Wind Advisory 2, NWS Blacksburg, VA
NWS Blacksburg, VA issued this wind advisory at Jan 11, 2012, 11:12 AM EST for Alleghany County, Ashe County, Watauga County, North Carolina; 7 counties in Virginia; Mercer County, West Virginia. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Jan 11, 2012, 11:12 AM EST (16:12 UTC)
- Expired
- Jan 11, 2012, 6:00 PM EST
- In force
- 7 hr
- Issued by
- NWS Blacksburg, VA
Counties Alleghany County, NC, Ashe County, NC, Watauga County, NC, Bland County, VA, Carroll County, VA, City of Galax, VA, Grayson County, VA, Smyth County, VA, Tazewell County, VA, Wythe County, VA, Mercer County, WV
The radar
The Roanoke radar (KFCX), 90 km from the middle of the area, began a volume at 16:15 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 4.2 hours before the alert went out and 143 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 641 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
138 WWUS71 KRNK 111612 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 1112 AM EST WED JAN 11 2012 ...STRONG GUSTY WINDS THROUGH THE AFTERNOON... .LOW PRESSURE OVER THE TENNESSEE VALLEY WITH BRING STRONG SOUTHEAST WINDS TO THE REGION THIS AFTERNOON. NCZ001-002-018-VAZ007-009-010-012-015-016-WVZ042-112300- /O.NEW.KRNK.WI.Y.0002.120111T1612Z-120111T2300Z/ ASHE-ALLEGHANY NC-WATAUGA-TAZEWELL-SMYTH-BLAND-WYTHE-GRAYSON- CARROLL-MERCER- INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE... TAZEWELL...MARION...BLAND...WYTHEVILLE...INDEPENDENCE... WHITETOP...TROUTDALE...VOLNEY...GALAX...BLUEFIELD...FLAT TOP 1112 AM EST WED JAN 11 2012 ...WIND ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM EST THIS EVENING. * LOCATIONS...SOUTHEAST WEST VIRGINIA...THROUGH THE MOUNTAIN EMPIRE AREA...INTO THE NORTHWEST NORTH CAROLINA MOUNTAINS. * HAZARDS...STRONG GUSTY WINDS. * WINDS...SOUTHEAST 15 TO 25 MPH WITH GUSTS UP TO 50 MPH. * TIMING...THIS AFTERNOON AND EARLY EVENING. * IMPACTS...TREES MAY BE BLOWN DOWN BY THESE WINDS...ESPECIALLY WITH THE GROUND VERY WET FROM THE RAINFALL TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
1 follow-up statement
848 WWUS71 KRNK 112250 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 550 PM EST WED JAN 11 2012 NCZ001-002-018-VAZ007-009-010-012-015-016-WVZ042-120000- /O.EXP.KRNK.WI.Y.0002.000000T0000Z-120111T2300Z/ ASHE-ALLEGHANY NC-WATAUGA-TAZEWELL-SMYTH-BLAND-WYTHE-GRAYSON- CARROLL-MERCER- INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE... TAZEWELL...MARION...BLAND...WYTHEVILLE...INDEPENDENCE... WHITETOP...TROUTDALE...VOLNEY...GALAX...BLUEFIELD...FLAT TOP 550 PM EST WED JAN 11 2012 ...WIND ADVISORY WILL EXPIRE AT 6 PM EST THIS EVENING... EXPECT A LOW PRESSURE AREA TO MOVE ACROSS THIS EVENING. STRONGER WINDS HAVE BEEN INHIBITED BY THE CLOUDS AND RAIN. WIND GUSTS UP TO 30 TO 40 MPH IS POSSIBLE THIS EVENING WITH ANY PASSING SHOWERS...BUT THE THREAT OF AREAL WIND SPEEDS GUSTING OVER 45 MPH HAS ENDED. $$
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 11, 6:28 PM EST | Special Weather Statement | RNK | Rockingham | 62 min |
| Jan 11, 6:35 PM EST | Special Weather Statement | RNK | Alleghany, Ashe | 55 min |
| Jan 11, 6:38 PM EST | Special Weather Statement | RNK | Wilkes | 52 min |
| Jan 11, 4:39 AM EST | Winter Weather Advisory | RNK | Alleghany, Bath, Rockbridge, City of Buena Vista, City of Covington, City of Lexington | 5 hr |
Nearby
Wind Advisories in Virginia, 2012Wind Advisories in North Carolina, 2012Wind Advisories in West Virginia, 2012Every wind advisory in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.